http://www.nytimes.com/2014/07/27/magazine/why-do-americans-stink-at-math.html http://www.nytimes.com/2014/07/27/magazine/why-do-americans-... I believe you mi

http://www.nytimes.com/2014/07/27/magazine/why-do-americans-stink-at-math.html http://www.nytimes.com/2014/07/27/magazine/why-do-americans-... I believe you might find this article very interesting. It is a discussion of how math education has changed over the years, and has strong words about the very problem you mentioned of the teachers being ignorant of math and passing that ignorance on to those they teach.